18149486579

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{19013}}^1$

素因数の和:19187

約数の個数: 32

約数和(自身を含む): 22079361024

約数和(自身を除く): 3929874445

約数列:

[1, 7, 31, 53, 83, 217, 371, 581, 1643, 2573, 4399, 11501, 18011, 19013, 30793, 133091, 136369, 589403, 954583, 1007689, 1578079, 4125821, 7053823, 11046553, 31238359, 48920449, 83638187, 218668513, 342443143, 585467309, 2592783797, 18149486579]

約数ペア:

[(1, 18149486579), (7, 2592783797), (31, 585467309), (53, 342443143), (83, 218668513), (217, 83638187), (371, 48920449), (581, 31238359), (1643, 11046553), (2573, 7053823), (4399, 4125821), (11501, 1578079), (18011, 1007689), (19013, 954583), (30793, 589403), (133091, 136369)]